Select Methods in Chemical Analysis: (chiefly Inorganic) |
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Page ix
... crucible , 30. Method of analysis , 31. The removal of the sal - ammoniac unavoidably accumulated in the pro- cess ... crucibles by gas , 38. Estimation of alkalies in fire - clays and other insoluble silicates - Mr . G. Gore's ...
... crucible , 30. Method of analysis , 31. The removal of the sal - ammoniac unavoidably accumulated in the pro- cess ... crucibles by gas , 38. Estimation of alkalies in fire - clays and other insoluble silicates - Mr . G. Gore's ...
Page 25
... crucibles . Care must be taken to avoid a heat much above redness , as otherwise alkaline chlorides volatilise in ... crucible , and boiled with water from a quarter to half an hour , and washed till all but a trace of the chlorides ...
... crucibles . Care must be taken to avoid a heat much above redness , as otherwise alkaline chlorides volatilise in ... crucible , and boiled with water from a quarter to half an hour , and washed till all but a trace of the chlorides ...
Page 30
... crucible , I use an elongated one , which may be made of various dimen- sions . The one employed , with from to 1 gramme of silicate , is of the following form and dimensions . " 10. An elongated slightly conical crucible with rounded ...
... crucible , I use an elongated one , which may be made of various dimen- sions . The one employed , with from to 1 gramme of silicate , is of the following form and dimensions . " 10. An elongated slightly conical crucible with rounded ...
Page 31
... crucible . The crucible is tapped gently upon the table and the contents settled down . 13. It is then clasped by a metallic clamp in an inclined position or it is placed in the support referred to in the latter part of this article ...
... crucible . The crucible is tapped gently upon the table and the contents settled down . 13. It is then clasped by a metallic clamp in an inclined position or it is placed in the support referred to in the latter part of this article ...
Page 32
... crucible are not easily detached , do not use unnecessary force , as the crucible may be injured by it , but fill the crucible to about two - thirds of its capacity with water , bring almost to the boiling - point , and lay it in the ...
... crucible are not easily detached , do not use unnecessary force , as the crucible may be injured by it , but fill the crucible to about two - thirds of its capacity with water , bring almost to the boiling - point , and lay it in the ...
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Common terms and phrases
acetic acid added alcohol alkaline aluminium ammonia ammonium sulphide amount analysis antimony arsenic assay barium barium chloride beaker bismuth boiling bromine calcium carbonic acid caustic cent chromic acid citron band cobalt colour containing cool copper Crown 8vo crucible cyanide decantation decomposed didymium dilute dissolved distilled dried drops estimation evaporated to dryness excess ferrocyanide filter filtrate flask fused gallium glass grains grammes heat hydrate hydrochloric acid hydrogen ignited insoluble iodide iodine iridium iron lead liquid litre magnesium manganese mercury metals method mineral mixed mixture nickel nitrate nitric acid obtained operation oxalate oxide oxidised permanganate phosphate phosphoric acid platinum porcelain portion potash potassium chlorate powder precipitate present pure reaction redissolved residue ruthenium salt separated sesquioxide silica silver small quantity sodium carbonate soluble solution of potassium sulphate sulphuretted hydrogen sulphuric acid temperature thallium thiosulphate tion titanic acid traces treated tube uranium vols washed water-bath weighed whilst zinc